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Award winner |
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| SOx Scrubber Tower |
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| Applicant: Mitsubishi Kakoki Kaisha, Ltd. |
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Reason for selection:
The SOx Scrubber System works to purify exhaust gas emitted from marine engines through efficiently removing SOx (sulfur oxide) from such gas. It is an apparatus intended to reduce air pollutants to the levels set forth by International Maritime Organization (IMO), and this winning entry is the first such domestic product approved by the country where the ship concerned is registered.
The SOx Scrubber Tower is the central instrument of this apparatus, and its inside is exposed to a severely corrosive environment, for which corrosion resistance properties of carbon steel and such commercial-grade stainless steel as SUS304 are not sufficient. Thus, SUS329J4L, a duplex type, and SUS836L, a super-austenitic type, have been adopted for this critical component of the apparatus.
The demand for the exhaust gas purification system contributing to the reduction of environmental burdens is expected to increase and this will lead to boosting new applications of highly corrosion-resistant stainless steel. |
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Stainless steel type used: SUS329J4L, SUS836L
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Consumption: 20,000 kg
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| Presenter: NIPPON YAKIN KOGYO CO., LTD. |
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